SMD Soldering Reflow Oven
Here is a nice tutorial on how to build your own reflow soldering oven using ControLeo2 reflow oven controller. This particular instructable is based on the ControLeo2 reflow oven controller by Peter Easton. This is by far the best I've come across and the software is fully open...
Continue ReadingWiFi Signal strength indicator using ESP8266
A simple signal strength indicator for the ESP8266 and 128 x 32 OLED Display This is a simple Arduino IDE sketch that displays the RSSI, BSSID and signal "bars" of a given SSID WiFi Signal strength indicator using ESP8266 -...
Continue Reading1.3V – 15.5V @ 2 Amps Power Supply
Here is a low cost and easy to build power supply based on a some Chinese DC-DC converter modules: This is a small size power supply with low cost and easy to make that only taking about 5 more hours. I was very happy with it and would share with you. Power Supply...
Continue ReadingAC Motor Speed Controller using U2008B
This low cost current feedback phase control AC motor driver based on U2008 IC, The U2008B is designed as a phase control circuit in bipolar technology. It enables load-current detection as well as mains-compensated phase control. Motor control with load-current feedback and overload...
Continue ReadingCounterfeit Macbook charger teardown
Ken Shirriff @ righto.com has done a detailed teardown of a counterfeit macbook charger and show us the difference from a genuine one and why this can be dangerous. He writes: What's inside a counterfeit Macbook charger? After my Macbook charger teardown, a reader sent me a charger...
Continue ReadingBIG Clock Made From Six 3″ 7-Segment LCDs
Pierre Muth build a nice big clock using 3" 7-segment LCD displays. The clock is driven by a PIC18F87K90 and a few other components are used. He writes: We need clocks. Once you have passionate activities which absorbs all your attention, if you want to keep contact with the social...
Continue ReadingRaspberry Pi Zero digital frame
Francesco @ garagetech.tips show use how to use the Raspberry Pi Zero to build a digital frame. Actually he show us how to use it as a USB storage device on an existing digital frame. Raspberry Pi Zero digital frame -...
Continue ReadingExtensive Interactive Whiteboard Pen & Receiver Teardown Analysis
Micah Elizabeth Scott @ youtube.com writes: My friends at Tangible Interaction sent some electronic whiteboard hardware to take apart. In this video I'll start to look at the transmitters, receivers, and communication protocol. Extensive Interactive Whiteboard Pen & Receiver...
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