Postbag #11: led drivers, 150w boost converter, usb ch340
Today's postbag items. eBay listing links below: 1w LED Driver MBI6651 Luxeon White Green Blue Constant Current output 350mA http://r.ebay.com/MI5s5r…
1-day project: arduino uno and i2c oled display challenge
Can I get this I2C (I squared C) OLED display hooked up to an Arduino Uno and working in 15…
Arduino pwm solar charge controller #5 – 80w panel tests
More updates to the arduSolarPWM and some tests in the garden
Postbag #10: apm sensor, uno ch340, cmp12, 10w led, iic oled
What's in today's post? APM2.5 Voltage and Current Sensor without Setting Perfectly Compatible T5 http://r.ebay.com/4jzLDV Version Board ATmega328P UNO R3…
1-day project: battery bank replacement in howling gale
Replacing old car batteries with gel batteries out of a UPS. Apologies for the wind noise - it was one…
Postbag #9: component tester, usb dinky, 3v pump, ferrite rings
The postman probably doesn't like me. Small 12864 LCD Transistor Tester Capacitance ESR Meter Diode Triode MOS LCR NPN http://r.ebay.com/w6qFLq…
Experiment: build your own 5200mah solar power bank
Build a better solar mobile power bank - will it work?
Postbag #8: nano ch340, usb 18650, 1.3 spi oled, hrc 10a
What's in today's post? Nano 3.0 Controller Board Compatible with Arduino Nano CH340 USB Driver http://r.ebay.com/IweCTD New USB 18650 Battery…
First look: arducam minimosd quadcopter on screen display pcb
A first look at the minimOSD. What does it do and how does it work? On-Screen Display OSD Board MinimOSD…
Postbag #7: 808 cam dvr, usb solar panel, 2x 18650
What's in today's post? Key Fob Ring Chain Spy Hidden Mini Camera DVR Keychain Cam Supports up to 32GB http://r.ebay.com/rVynrX…