The value of component testing
I’m working on HotSocket, a ZIF socket enabled version of the ever popular TinyTimerISP. Along the way I needed to create a part for Eagle that would enable me to place the ATTiny2313 processor from Atmel. This is an AVR series processor that is essentially used for software emulation of a $4 chip. Not my […]
RO Saver and UniPowerSupply
I have started working on my next two projects. UniPowerSupply is the simplest. I’m working on a universal power supply using an LM2576 IC. The basic idea is to be able to use any power source under 60V to generate a stable 5v DC source. Moving forward I’ll retire the USB-B power input and use […]
Kickstarter project complete
I’m very happy to have shipped the last of the 40 TinyTimer units today for my KickStarter backers. That closes the TinyTimer Kickstarter project. I also took a video and documented a revised assembly process that is about 30% shorter. You can watch the video here: [embedyt]http://www.youtube.com/watch?v=6g8qLqoKZ6c[/embedyt]
Product assembly and testing update for TinyTimer KickStarter Edition
I completed assembly of 12 TTKS units over the weekend. My initial testing was that 8 units worked as expected. 2 units needed the filter capacitor on the power supply changed from a 1uf to 4.7uf 50v electrolytic capacitor. I’m unsure as to why these two units were seeing more noise, but it was a […]
Updated manual for TinyTimer KickStarter
I updated the manual for TTKS today. There were two important changes based on observations during assembly of units. The first observation was that the USB-B pins were susceptible to being bent and needed to be carefully aligned prior to insertion. While USB-B is a nice durable connector, I will be thinking hard about it […]
Tinytimer completes – shipping
This week TinyTimer Kickstarter Edition completed. A minor adjustment to the components was needed to provide more decoupling. It is now shipping. If you have not ordered one there are several units available through Tindie or eBay. Assembly instructions and documentation is available on the product page.
TinyDelay completed – Arduino IDE compatible ATTiny85 time delay relay
I am very happy to share that TinyDelay is completed. With a kit price of $13.65 plus shipping this is a fun ATTiny85 based kit. The code uses an interrupt on the input pin to initiate an “on cycle”. As with all Nanohawk products it can easily be modified for other applications. The input pin […]
TinyPLC, TinyDelay and TinyTimer Kickstarter updates
I received word yesterday and today that the next few prototype boards are headed my way from the great folks at OSHPark. The products headed in are TinyDelay, TinyPLC Solo, and TinyTimer Kickstarter. TinyDelay is an input sensing delay timer. Push a button and it turns on (or off) a relay for a set period […]
Aggravation leads to product change
I sold a TinyTimer-Classic with assembly today. The assembly went fine… the testing did not. After several hours I concluded that sharing the MOSI/MISO lines was causing grief. After wrestling with several alternatives, I decided to retire TinyTimer-Classic. It will be replaced with an upgraded board called TinyPLC. This is an Atmega328 based unit and […]
TinyTimer-KS Developments
I spent some time tuning the TinyTimer design with the interface. I realized I wasn’t happy with simple pins for the input and logic connection points. I changed them to terminals which set off a cascade of space issues. I wound up re-laying out the entire board this evening to deal with some space constraint […]
