Comments (4)
The STM32F072 has been going up in price from US$2.50 to US$6.92 (and it's out-of-stock)
I paid US$23.65 for enough parts for three (with extras for many parts), but the same parts list
is US$33 now excluding the STM32.
This is the BOM for the order for comparison: (I might have left out stuff that I had already)
At the time the boost converter was not in stock, so I used a compatible part.
LCSC_Exported_20210609_011821.csv
from easy-pdk-programmer-hardware.
how much did this cost you?
where did you source the parts?
looking to build one like yours, but my cost (lcsc.com) seems to high.
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@brainsmoke thanks for your reply, you're right prices have changed. At the current prices it's becoming more economical to get the original programmer : )
Btw, if you dont mind sharing some details about your project. What are you using this mcu's for? Production or hobby? Would you say these mcu's are worth the extra work?
As far as I can see the extra cost & work doesnt make sense unless I'm going for scaled production.
from easy-pdk-programmer-hardware.
Update: I managed to order min. quantity 5 of these from JLCPCB for £28, including the USB socket, but excluding the microswitch, crystal and inductor which I got from LCSC and soldered myself. They work for programming an on-circuit PFS154 SO8, but don't calibrate successfully (I didn't realise I needed to expose PA4 pin).
With other parts, shipping & duty (to post-Brexit UK) I'm willing to sell the extras at cost: £12/$15/€14 plus shipping to your location.
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Related Issues (20)
- Can I sell this hardware in Taobao? HOT 5
- Medium-run buy? HOT 3
- Documentation: User Manual HOT 2
- Should the design be easy to get via JLCPCB (and distribution in the EU be feasible)? HOT 25
- No input protection HOT 12
- Padauk IDE compatible? HOT 1
- How should I program the STM32? HOT 1
- Alternate parts? HOT 2
- SWD pin HOT 3
- Nothing found HOT 12
- vpp too low HOT 34
- On-board programming with easy PDK Programmer: Possible? HOT 3
- DAC buffering
- Fresh boards, can't flash via DFU HOT 4
- PCB bill of materials: LCSC part number C177602 no longer exists HOT 1
- Pcb , schematic file HOT 1
- [Question] Support for PMC232 PMC234 PGC433 PGC434? HOT 9
- Help Resolving Occasional Board Issue (“wrong icid”) HOT 6
- VPP/VDD voltage capped to 3.45V HOT 4
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