Project: new wearable arduino oled remote data display #2
More detail on the LiPo battery stack. 5PCS 5V Micro USB 1A 18650 Lithium Battery Charging Board Charger Module http://r.ebay.com/zzdMvP…
Project: new wearable arduino oled remote data display #1
This is the new Mk2 version of my wearable Arduino OLED remote data display.
Postbag #17: touchme usb led, pulse oximeter, max17043 lipo gauge
More Chinese Goodies. Update - the "Touch Me" LED was quite easily fixed by re-making some of the solder joints.
Arduino nokia 5110 lcd tutorial #3 – live numerical data
How to add live updating numerical data to the LCD. Playlist for this series: http://www.youtube.com/playlist?list=PLjzGSu1yGFjXWp5F4BPJg4ZJFbJcWeRzk
Postbag #16: 100w led driver, 20-step encoders, ravpower filehub
What's in the post? 300-3000mA Buck Regulator LED Driver for 1-100W High Power LED - LM3409 http://www.ebay.com/itm/300-3000mA-Buck-Regulator-LED-Driver-for-1-100W-High-Power-LED-LM3409-/380932232690
Arduino pwm solar charge controller #6 – proportionality
The code now has a proportionality element which relates the battery voltage error to the PWM change step size.
Postbag #15: 3.3v 8mhz arduino pro minis, 22400mah powerbank
Stuff that came through the letterbox: http://www.banggood.com/3_3V-8MHz-ATmega328P-AU-Pro-Mini-Microcontroller-Board-With-Pins-p-916211.html Pro Mini Enhancement (3.3V/5V adjustable)/16MHz MEGA328P
Project: 20-position rotary switch #1 – quadrature phase shift
I thought incorporating a rotary switch into my next project would be a simple matter. Not really! Gray code, quadrature…
Postbag #14: matek usb power monitor, led driver, phone clamp
Stuff just arrived from China: http://www.banggood.com/Matek-USB-LCD-Display-Voltmeter-Ampere-Meter-Power-Capacity-Tester-p-933952.html 3*1W LED Built-in Driver Power Supply 12V RTUS http://r.ebay.c
Retro electronics: homebrew z80 audio sampler
My buddy Brett Gossage and I built this Z80-based audio sampler back in 1987. With only 64k of RAM, it…