These posts by Chiru have received thanks:
| HT12E (RF Encoder) And HT12D (RF Decoder) I.C. |
| @ all members please do not take matters personally :-p buyers can decide for themselves ;) :bye |
| Thanked 1 time Posted by Chiru on |
| Fire Alarm project.. |
| Tips you may use: 1. Fire is normally sensed by detectors (smoke, heat etc) connected in parallel (for maybe some hundred nos for each zone) in current loop configuration. The variation of current in ... |
| Thanked 1 time Posted by Chiru on |
| Sensors |
| Hi Amit, use and amend this routine to check ur LCD. It is for 16X2 in 8 bit mode. :bye ; LCD Example Program ; Works with P1 as data port, R/W connected to P3.2, Enable to P3.4, RS to P3.3 ;***** #INCL... |
| Thanked 1 time Posted by Chiru on |
| The Talking 8051!!-audio on 8051 |
| Hi Ajay, contact Mr. Viral @ 0 9825858509 :D :bye |
| Thanked 1 time Posted by Chiru on |
| Sensors |
| A 6V AC will give over 8V DC if not heavily loaded and should work fine with 7805, still its better to use a 9V one as Sashi suggested. Moreover there should be a good heatshink on the reg so as to pr... |
| Thanked 1 time Posted by Chiru on |
| Sensors |
| Hi, sorry for being late to reply :-| . Sashi has already clarified something. But i think you can go straight and use HIH4000. No LM35. Just feed the pin 2 signal to ADC. The O/P voltage is proportio... |
| Thanked 1 time Posted by Chiru on |