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HELP WITH LASER DIODE DRIVER Hi there, I already built a constant current source (using a NPN BJT, a N-MOSFET and some resistors, 30mA) that drives a red laser diode (I bought it from ebay for 1$). I... |
Thursday, 13 June 2019 - 07:52 |
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LM258D question Dear freaks, I am using an LM258D opamp connected as a comparator, beeing supplied by single voltage 5.1Vdc. Would you be able to tell me what it's gonna be happen if the... |
Friday, 22 September 2017 - 07:46 |
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Division only with bitwise shifts Dear freaks, I am using the ATmega64A controller and I need to make a division with the faster (as possible) method. ====================== The division I need to... |
Friday, 24 February 2017 - 07:57 |
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TEKTRONIX TDS 2014 broken pcb He there, My TEKTRONIX TDS 2014 is broken and cannot measure anymore. TEKTRONIX service man wasn't helpfull with me and just wanted to sell me a new model. So I... |
Thursday, 17 November 2016 - 06:27 |
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RS485 interface 3.3V and 5V Hi there. I have some products that use the SN65HVD3082ED (RS485 5V tranceiver). Now I am bulding a new product that uses the SN75HVD12DR (RS485 transeiver 3.3V). ... |
Tuesday, 24 May 2016 - 07:33 |
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IAR question Hi there, During the customer-supplier agreement of a new project the customer need to have the IAR project of the microcontroller. According to the same agreement... |
Friday, 26 February 2016 - 12:53 |
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AC switch (230Vac or 24Vac) maximum 1A output Dear freaks, I need to design a new product that handles 20 separate AC output switces (not dimmers). The characteristics are : Each output must be able to... |
Monday, 18 January 2016 - 10:39 |
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ATmega48A and TPF-2A load cell ??? Hi there, I am wondering of how to read (via the AVR ADC input) this device: http://transdutec.com/catalogo/T... I am using ATmega48A micro. Any help... |
Thursday, 20 August 2015 - 11:42 |
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op amp 36V supply with NULL pins Dear freaks, I am searching for a general purpose op amp with a 32V (max) power supply and nulling pins. Can you help ? |
Wednesday, 15 July 2015 - 08:07 |
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Car ECU and Alternator Regulator comunication protocols Hi there, I am trying to collect informations about the comunication protocols between a car ECU and alternator regulators. As I red in the internet some of the... |
Wednesday, 8 July 2015 - 07:17 |
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ATmega48 and crystal 32.768 KHz Hi there, I would like to ask a simple question. While reading the AVR134 apnote (Real Time Clock (RTC) Using the Asynchronous Timer), I see that ATMEL... |
Friday, 19 December 2014 - 13:05 |
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AVRStudio 6 / Debug / Struct watch problem Hi there, I am using: AVRStudio 6 IAR Embedded Workbench 5.11B (output format UBROF 8) JTAG ICE MKII While debuging my project in AVRStudio 6 and need... |
Tuesday, 9 December 2014 - 07:34 |