Needham's Electronics: Difference between revisions
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http://ps-2.kev009.com/ohlandl/Needham_EMP20/EMP-20_Programmer.html | http://ps-2.kev009.com/ohlandl/Needham_EMP20/EMP-20_Programmer.html | ||
[[File:Emp-20 volt.png|none|thumb]] | [[File:Emp-20 volt.png|none|thumb]] | ||
Above: EMP-20 allows forcing VCC/VPP | |||
==EMP-21== | ==EMP-21== | ||
Revision as of 00:08, 1 September 2019
Formerly Dataman?
Notable for letting set programming voltage
https://www.docentelectronics.com/httpdocs/Needham/needham_electronics.htm
EMP-20
seems pretty popular, but parallel interface
http://ps-2.kev009.com/ohlandl/Needham_EMP20/EMP-20_Programmer.html
Above: EMP-20 allows forcing VCC/VPP
EMP-21
USB
EMP-20 vs EMP-21
- https://twitter.com/johndmcmaster/status/1152975472302575616
- Doesn't support voltage level tweaking
- Doesn't support 8048
EMP-100
USB interface