Limpkin has modified his IKEA lamp to use 10W LEDs. So for some reason I bought 2 IKEA lamps at a flea market. As IKEA furniture has a long history of being hacker-friendly, I figured they shouldn't be an exception to the rule. My plan? Fit a few 10W RGB LEDs in there together with...

by Marcus Jenkins: This gadget steps up the game from leaving a light on at home when you’re out. Place it near a window to make it look like somebody’s at home watching TV. The idea of leaving a light on at home while you’re out is to give the burglar an uneasy feeling that...

by Akshay Jha @ instructables.com: In this short instructable I am gonna displ some graphics on Nokia 5110 LCD using ARDUINO UNO R3 this is very helpful for beginners`s here is a testing video . Graphics on Nokia 5110 Lcd using Arduino -...

electrobob.com has build a device that alerts you if sitting to long: Sitting for long periods has become more common in today’s jobs causing serious health issues. Unfortunately the plethora of activity trackers fail to address the issue: being rather active while sitting does not...

SIGLENT’s SDM3055 series is a dual display digital desktop multimeter. The SDM3055 provides a rich and powerful feature set at an excellent price. This DMM family is well suited for production testing, R&D and certification work, as well as any place ｗｈｅｒｅ an accurate...

In this episode Shahriar takes a close look at one of Keysight (Agilent) InfiniMax III active probes. The model N2802A offers 25GHz of analog bandwidth, 17.5pS of rise time and a total differential input capacitance of 32fF at 10k-Ohm input impedance. The front-end amplifier of this...

Always an exciting day when a new piece of equipment arrives at the lab! The basic features of the lab's new Tektronix TSG4106A RF Signal Generator are reviewed, including a peek at some of the auxiliary signals available on the rear panel. TSG4106A RF signal generator unboxing and...

Spiros Papadimitriou has build a WiFi light controller and clock based on ESP8266: A couple of months ago I picked up cheap WiFi-controlled LED bulbs (one among dozens of very similar devices), after seeing them at a friend’s place. This turned out to be an excuse to play with the...