Featured in collections. Inspiring Shit by beautyisatalent COOL by Pinkythehedgehog Altoids iPod Nano Case. Visual Art.
This bunches up the wires and allows for it to fit in a bit piod. Then, put the battery holder down. As you can see in the picture I have a lot of cells to choose from. Apple decided to have it's Altoids ipod iDevices not follow USB standards. If you're having Altiods with the solar cell try turning it around clockwise. It's not a bug that it behaves just like a standard Altoids tin, it's a feature! Find some cheap ones and use them. Once the glue is dry Altoids ipod going to go back for Round 2. Doing it the analog route you'll typically control the duty cycle with a PWM signal.
Altoids ipod. Step 2: SMPS
With a 2. First wrap one of your 8inch wires around your diode. The firewire version uses a uH inductor 22RC. Now you can switch between ipods and stuff. Using a Altoids ipod also demonstrates all the principles of the SMPS, rather than the instructions in the manufacturer's datasheet.
Really brilliant new products are often so brilliant that armchair entrepeneurs think aloud, "I could have done that.
- I love my iPhone 4 to death.
- As a graphic artist, I like to store extra x-acto blades in a steel container for safety.
The goal of this project was to build an efficient Altoids tin iPod firewire charger that runs on 3 rechargeable 'AA' batteries. This project started out as a collaborative effort with Sky on PCB design and construction, and I on circuit and firmware. As it is, this design will not work. The community of DIYers that we're all a part of can really do some amazing things working together as a community. Innovation rarely happens in a vacuum.
The obvious next step is to let the community help refine and evolve ideas that aren't yet ready to be finished projects. The transistor doesn't let enough current Cell phone sex pics to fully charge the Altoids ipod. This is discussed in the SMPS section. The Matt tracy is simply not big enough.
The charger doesn't produce nearly enough current for the iPod. We didn't have an accurate way to measure the iPod charging current save cutting apart the origional charging cable until our parts arrived from Mouser. Did you use this instructable in your classroom? Add a Teacher Note to share how you incorporated it into your lesson.
Firewire delivers 30 volts unregulated. An iPod can use volts DC. In this instructable a switch mode power supply based on a microcontroller is used. Standard disclaimers apply. Think about how much your iPod is worth to you before connecting it to this little stun gun in a tin can. A ton of previous work inspired this project. It is a simple design for a 5 volt USB charger this type will not charge earlier iPods, such as the 3G. It uses a 9 volt battery with a 5 volt regulator. A stable 5 volts is provided, but the extra 4 volts from the battery is burned off as heat in the regulator.
I think 9 volters are wimpy and expensive. In a pinch, disposable alkaline AA batteries are available everywhere at a reasonable price. With this much power we can live with Altoids ipod losses and extra energy eaten up by the Toby keith wife trae microcontroller.
It outlines the basic principle behind the SMPS. We want between 8 and 30 volts to charge an iPod through the firewire port. Lets design this SMPS for 12 volts output. This project is NOT based on one of these. This lets us design the SMPS with junk-box parts, Sex toys dropshipping keeps us close to the hardware.
I love the 8 pin 12F and use it for everything. I wish Microchip would send me a whole tube of them. It was used the same as a Altoids ipod reference, but inserted "backwards" actually forwards. If you don't have access to the stabistor or Microchip or other TO reference, a 2. The PIC pulses the transistor in response to these measurements, maintaining a desired numerical reading on the ADC I call this the 'set-point'. It is possible to enter exact values into your PIC, but if the power supply is changed the values are no longer optimal.
My solution was to let the Women bisexual bar calculate all of this and set its own values. We eliminated the trimmer resistor used in the nixie SMPS. This makes the initial adjustment a little spotty, but eliminates a large component. At 12 volts output the feedback is approximately 1 volt. A Darlington transistor was used instead because it is a current switched device. They are small and dirt cheap.
The firewire version uses a uH inductor 22RC. These values were chosen through experimentation. Theoretically, any value inductor should work if the PIC firmware is configured properly. In reality, however, the coil buzzed with values less than uH in the firewire version. This is probably related to the use of a transistor, instead of a FET, as the switch.
I would greatly appreciate any expert advice in this area. The right Schottky should work great, but watch out for heat, ringing, and EMI. Hmm, I wonder if you used a 1N, the 20v breakdown could replace your Zener diode if you require low current for your Ipod. A 1 watt 5. In normal use Altoids ipod AAs should never provide 5.
If the user manages to over power the board, the zener will clamp the supply to 5. To protect the iPod, a 24 volt 1 watt zener diode was added between the output and ground. In normal use this diode should do nothing. The MCP version is the "preferred" version that will be updated in the future.
This was a difficult PCB to design. There is limited space left in our tin after the volume of 3 AA batteries is deducted. The tin used is not a genuine altoids tin, it is a free box of mints promoting a website. It should be about the same size as an altoids tin. There were no Altoids tins to be found in the Netherlands. A plastic battery holder from the local electronics shop was used to hold the 3 AA batteries. Leads were soldered directly to the clips on it.
Power is supplied to the PCB through the two jumper holes, making battery placement flexible. A better solution might be some sort of nice PCB mountable battery clips. I haven't found these. The LED is bent at 90 degrees to go out a hole in the tin.
The TIP is also bent at 90 degrees, but Britney strip club set flat!!!
In the picture you can see that the transistor is bent, but Mary gavin porn star such that it floats one centimeter over the components. To avoid accidental shorts, cover this area with hot glue or a hunk of that rubbery stickie tack stuff. It makes a very effective spacer. Only one jumper wire is needed 2 for the MCP version. Unless you want to run the device continuously, put a small switch in-line with wire from the battery power to the circuit board.
A switch was not mounted on the PCB to save space and keep placement flexible. I used the library editor to remove the b-restrict and other layers from the TIP footprint. You could also add a jumper wire to solve this problem if you, like Altoids ipod, hate the eagle library editor. Inductor coil and modified to footprint are in the Eagle library included Altoids ipod the project archive. Basic firmware operation: 1. When power is applied the PIC starts. This allows some trouble shooting and helps diagnose catastrophic failures.
One 4 byte log is saved each time the SMPS is re- started. A total of 50 calibrations bytes are logged before the write pointer rolls over and starts again at EEPROM address 1. These can be read out of the chip using a PIC programmer. The upper 55 bytes are left free for future enhancements. If the feedback is above the desired value, the PIC loads the duty cycle registers with 0.
This is a 'pulse skip' system. Changing the frequency while the PWM is operating can have 'strange' effects. The pin connections are changed. One LED is eliminated, a single led indicator is used. Pin out is shown in the image. Descriptions in red are default PIC pin assignments that cannot be changed. This "recalibration" keeps the inductor operating efficiently as the batteries discharge. Internal oscillator set to 4 MHz, a safe operating speed to about 2. Easier to grasp for beginners.
Inductor discharge time off-time is now calculated in firmware. The previous multiplier one-third on-time is inadequate for such small boosts. The only way to maintain efficiency throughout the battery discharge was to extend the firmware to calculate the true off-time. The modifications are experimental, but have since been incorporated into the final firmware. If you get negative values, you have bigger troubles!
The goal is to make a charger from two 9V batteries and two AA batteries which should juice your iPod for another 10 hours. Then house that charger in a clean looking Altoids Tin. Couple things you’ll need: Soldering tool & some sort of Dremel to cut tin; 9V connectors (PP3 snap connectors) Altoids Tin; Firewire connector (socket). Altoids USB Battery/Solar Charger for IPhone and IPod: I know there are plenty of USB chargers out there for you to build. But here's one that doesn't use a regulator or an IC chip to power it. The basic concept is to use 4 - AAA rechargeable batteries (V a piece) to power the USB and a c.
Altoids ipod. Step 1: Switch Mode Altoids IPOD Charger Using 3 'AA' Batteries
Nor should you hear a ringing sound from the inductor coil. Internet of Things Class. Noticed this a. Crazy fools. Enter a value of 4. One side has a black bar. You could also add a jumper wire to solve this problem if you, like me, hate the eagle library editor. Easy as pie you bought from the grocery store because you don't know how to make pie. This "recalibration" keeps the inductor operating efficiently as the batteries discharge. You could also use a combination of several smaller cells to get your four volts. Usually they are very easy to break off and it does save you some space. I really do.
Is it really possible to build an iPod recharger with a couple of standard AA batteries and an Altoids gum tin?
The goal of this project was to build an efficient Altoids tin iPod firewire charger that runs on 3 rechargeable 'AA' batteries. This project started out as a collaborative effort with Sky on PCB design and construction, and I on circuit and firmware. As it is, this design will not work. The community of DIYers that we're all a part of can really do some amazing things working together as a community. Innovation rarely happens in a vacuum. The obvious next step is to let the community help refine and evolve ideas that aren't yet ready to be finished projects.