This PIC microcontroller based RC driver is able to control 4 RC Servo by on board independent 4 potentiometer , 4X3PIN header for RC servo interface, screw terminal for supply input, on board power LED, optional 4X3PIN header connector for external potentiometer. Features Microcontroller based design for greater flexibility and ease of control Individual servo […]
4 Channel RC Servo Controller Board Read More »
Gas sensing techniques are continually being investigated to improve selectivity and sensitivity of identifying different types of gases. There are resistive gas sensors, quartz crystal microbalance, direct thermoelectric, electrochemical cell and other exotic types such as MEMS-tunable Fabry-Perot filter spectral sensors with lead-selenide detector and pulsed broadband infrared emitter light source. The ams sensor is
ams develops MEMS VOC gas sensor Read More »
As EDN’s Design Ideas editor, I see a range of design submissions, from good, to not so good. A recent DI I turned down for several reasons included a high-side current sense circuit with implementation problems. This got me thinking about the different ways to accomplish current sensing on a voltage rail. At their heart,
Sensing current on the high side Read More »
Description The MAX9626/MAX9627/MAX9628 are low-noise, low-distortion, and high-bandwidth differential amplifier/ADC drivers for use in applications from DC to 1.35GHz. The exceptional low input-referred noise and low distortion make these parts an excellent solution to drive high-speed 12-bit to 16-bit pipeline ADCs. The output common mode is set through the VOCM input pin, thus eliminating the
Driver eases high-speed ADC inputs Read More »
†College of Information Science and Electronic Engineering and ∥Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China ‡ College of Information Science and Engineering, Fujian University of Technology, Fuzhou 350118, China § Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, United Kingdom ⊥ Institute of Material Research & Innovation,
Cree has added 50% more light output to its 3.5×3.5mm ‘XP’ format with the introduction of the four-junction XPH35 series. Something like 1,800 lm is available with the device turned up to its absolute maximum of 1.05A, when it typically drops something over 12.3V (~140 lm/W). At the specified current of 350mA (Vf ~11.3V) output
Cree squeezes 13W LED into XPH35 3.5×3.5mm package Read More »
Download the full package (micro code and PCB data) The core of this project is a PIC12F508 which was strictly picked based on cost and availability. This firmware should be easy to port to just about any PIC micro. Code only uses 1 timer, no interrupts, 22 bytes ram, and 369 words of flash. The
5 channel LED candle Read More »
Most hobbyists and many professionals use Eagle CAD as a daily tool in designing schematics and laying out PCB. I’m going to share with you the most important tips and tricks for using Eagle CAD, which make my work much easier and faster. Tip #1: Keep One Hand on the Keyboard, One on the Mouse
Eagle CAD Tips and Tricks Read More »
Analog Devices (ADI) has introduced a quad-channel protector and two multiplexers offering ±55V overvoltage protection (OVP) for precision converters, amplifiers and other components that operate from a voltage of 4.5V up to 36V. According to ADI the ADG5462F quad channel protector, ADG5248F 8:1 multiplexer and ADG5249F differential 4:1 multiplexer offer ±55V OVP in power-on and power-off stages
ADI launches quad-channel protector Read More »
WOW! Less than 2 days left and only $4,000 away from our stretch goal! Incredible. Looks like everyone’s going to get a rainbow snap band! Those of you who have shared and upgraded your pledge thank you so much. We really really appreciate it. If you haven’t upgraded to a Family Pack Remember these aren’t
Mover Kit: get kids moving, building & coding Read More »
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