WiFi Signal strength indicator using ESP8266
https://www.electronics-lab.com/signal-strength-indicator-for-the-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 – [Link]
1.3V – 15.5V @ 2 Amps Power Supply
https://www.electronics-lab.com/1-3v-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 Specifications Input: […]
AC Motor Speed Controller using U2008B
https://www.electronics-lab.com/ac-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 protection are preferred application. Specifications Supply In-put: 230V AC Load: Up to […]
Counterfeit Macbook charger teardown
https://www.electronics-lab.com/counterfeit-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 he suspected was counterfeit. From the outside, […]
BIG Clock Made From Six 3″ 7-Segment LCDs
https://www.electronics-lab.com/big-clock-made-from-six-3%e2%80%b3-7-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 society surrounding you, it’s crucial […]
Raspberry Pi Zero digital frame
https://www.electronics-lab.com/raspberry-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 – [Link]
Extensive Interactive Whiteboard Pen & Receiver Teardown Analysis
https://www.electronics-lab.com/extensive-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 Teardown Analysis – [Link]
ChipStick – A small scale experimental Forth machine
https://www.electronics-lab.com/chipstick-a-small-scale-experimental-forth-machine/
Ken Boak discuss about his ChipStick PCB build: The ChipStick design has the following features: MSP430FR2433 with 15.5K FRAM and 4K SRAM External SRAM or FRAM device connected via SPI on USCI B0 CH340G USB to serial converter IC on detachable section of board 3V3 voltage regulator Reset Switch and User LED 20 Pin DIL […]
How Apple recycles iphones
https://www.electronics-lab.com/how-apple-recycles-iphones/
Apple has designed a robotic arm that is able to teardown iphone and other electronics devices and recycle their components. What the video! How Apple recycles iphones – [Link]
‘Soldering’ with a laser
https://www.electronics-lab.com/soldering-with-a-laser/
Thijs Beckers @ elektormagazine.com writes about a new experimental method of connecting electronics components together using a laser beam. Researchers from the University of Saarland have, together with colleagues from Helsinki, discovered a new material which can connect electronic components together using a chemical method. Multiple very thin layers (1000x thinner than a human heir) […]