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RJ45 magnetics connector 1x port, but unshielded Hi guys! I need RJ45 magnetics connector 1x port, but unshielded. My box is made out of aluminium and I don't want box to be attached to GND on PCB through metal chassis... |
Monday, 22 February 2016 - 09:43 |
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_delay_ms() problem Hi ! I have an issue with _delay_ms(). ATmega324Pa running on 8MHz gcc This code works ok. I get 5 ms pulses on scope. ... |
Friday, 20 November 2015 - 09:01 |
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analog multiplexer Hi guys ! I'm using serial analog multiplexer 8:1 LTC1391 and adc LTC1285 like in picture. I've have noticed that if more analog signals are connected to analog... |
Wednesday, 1 July 2015 - 09:15 |
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-5 V power supply for OPA Hi guys ! How to realize -5 V supply for OPA237 or any other ? I've achieved this with http://uk.farnell.com/tracopower/tes-1-0521/dc-dc-5v-5v-1w... |
Friday, 8 May 2015 - 11:11 |
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ARM board Hi ! Can someone suggest me a board similar to : http://www.acmesystems.it/arietta or http://www.acmesystems.it/aria or clone http... |
Saturday, 25 April 2015 - 16:14 |
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GPRS 4,1V to uC 3,3V serial communication Hi all ! Picture is taken form datasheet. Lines with X red are not used. There is NO RESISTOR 5k6 on RXD from uC side (in red), why? I suppose that form GPRS... |
Sunday, 19 April 2015 - 15:10 |
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GPRS module Hi ! I don't have any experience with GSM/GPRS modules so I would like to hear your opinion about this module: http://www.ebay.com/itm/3-7V-4-2V-SIM800L-GPRS-Module-... |
Tuesday, 17 February 2015 - 17:29 |
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Input pin current ATmaga324P Hi ! I'm just checking if I got this alright. Datasheet http://www.atmel.com/Images/Atmel-8011-8-bit-AVR-Microcontroller-ATmega164P-324P-644P_datasheet.pdf... |
Sunday, 30 November 2014 - 10:43 |
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TQFP 44-pin PCB layout Hi ! I need to draw PCB layout for ATmega324 uC and that is TQFP 44-pin. I'm working with an archaic program PROTEL 99 which doesn't have this layout. ... |
Friday, 14 November 2014 - 18:23 |
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Which uC ? Hi ! I need to decide which uC to use. My requirements are: 2 USART channels (TXD0 RXD0, TXD1 RXD1) >= 16 kB flash TWI (SCL SDA)... |
Thursday, 13 November 2014 - 11:04 |
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Connecting 3,3V uC and sim900 4V Hi ! I have uC which runs on 3,3V but could also handle 3,6V. Sim900 runs from 3,6-4,5V. When transmitting voltage drops for about 0,4V, so sim900 should... |
Wednesday, 1 October 2014 - 09:59 |
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LW_Mesh LQI and RSSI retrieval Hi ! I would like to achieve something like routing table in BitCloud but on LW_MESH. To be more precise I would like to get LQI and RSSI form every node, I know how to extract... |
Monday, 7 July 2014 - 11:08 |