This is the prototype web page, which I think will work in very minimal browsers please let me know if it works on yours? Thanks!
Type in some data, and hit send. Watch der blinkenlights. Change delay to 10 and send. Change delay to 1 and send. Might be fast enough.
The following circuit was developed and tested by Conrad Salinas (THANK YOU!) at delays down to 5:
Bill Of Materials
|R1||PHOTOCELLPTH||PHOTOCELLPTH||PHOTOCELL||CdS photoresistor. This is a low cost way to detect light levels. Resistance decreases with more incoming light. Mfgr Part: GL5528. SparkFun SKU: SEN-09088 (check eBay for better price)|
|U1||LM339||LM339||TSSOP-14||IC, Quad Comparator. Based on information from the SLCS006N datasheet from TI (www.ti.com).Digikey:296-6607-1-ND LM339PWR|