diff --git a/python/pcb.py b/python/pcb.py
index 9a8525979b0d19d8e7f75b0511c459202eba6bdf..35ea566b57cbe893ff5b7a6445ca6bfbabc80c47 100755
--- a/python/pcb.py
+++ b/python/pcb.py
@@ -6651,6 +6651,216 @@ class PicoW(part):
self.pad.append(point(board_width/2+pad_offset,(0.5+i)*pad_pitch))
self.labels.append(self.text(self.pad[-1].x-label_offset,self.pad[-1].y,self.pad[-1].z,str(31+i)))
+class XIAO_ESP32C3(part):
+ #
+ # XIAO ESP32C3
+ #
+ def __init__(self,value=''):
+ self.value = value
+ self.pad = [point(0,0,0)]
+ self.labels = []
+ padl = cube(-0.03,0.081,-0.070/2,0.070/2,0,0)
+ padr = cube(-0.081,0.03,-0.070/2,0.070/2,0,0)
+ pitch = 0.1
+ dx = 0.035
+ width = 0.685
+ length = 0.798
+ d = 0.015
+ #
+ # pin 1
+ #
+ self.shape = translate(padl,-width/2,3*pitch,0)
+ self.pad.append(point(-width/2,3*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x+dx,self.pad[-1].y,self.pad[-1].z,'D0'))
+ #
+ # pin 2
+ #
+ self.shape = add(self.shape,translate(padl,-width/2,2*pitch,0))
+ self.pad.append(point(-width/2,2*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x+dx,self.pad[-1].y,self.pad[-1].z,'D1'))
+ #
+ # pin 3
+ #
+ self.shape = add(self.shape,translate(padl,-width/2,1*pitch,0))
+ self.pad.append(point(-width/2,1*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x+dx,self.pad[-1].y,self.pad[-1].z,'D2'))
+ #
+ # pin 4
+ #
+ self.shape = add(self.shape,translate(padl,-width/2,0*pitch,0))
+ self.pad.append(point(-width/2,0*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x+dx,self.pad[-1].y,self.pad[-1].z,'D3'))
+ #
+ # pin 5
+ #
+ self.shape = add(self.shape,translate(padl,-width/2,-1*pitch,0))
+ self.pad.append(point(-width/2,-1*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x+dx,self.pad[-1].y,self.pad[-1].z,'SDA'))
+ #
+ # pin 6
+ #
+ self.shape = add(self.shape,translate(padl,-width/2,-2*pitch,0))
+ self.pad.append(point(-width/2,-2*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x+dx,self.pad[-1].y,self.pad[-1].z,'SCL'))
+ #
+ # pin 7
+ #
+ self.shape = add(self.shape,translate(padl,-width/2,-3*pitch,0))
+ self.pad.append(point(-width/2,-3*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x+dx,self.pad[-1].y,self.pad[-1].z,'TX'))
+ #
+ # pin 8
+ #
+ self.shape = add(self.shape,translate(padr,width/2,-3*pitch,0))
+ self.pad.append(point(width/2,-3*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x-dx,self.pad[-1].y,self.pad[-1].z,'RX'))
+ #
+ # pin 9
+ #
+ self.shape = add(self.shape,translate(padr,width/2,-2*pitch,0))
+ self.pad.append(point(width/2,-2*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x-dx,self.pad[-1].y,self.pad[-1].z,'SCK'))
+ #
+ # pin 10
+ #
+ self.shape = add(self.shape,translate(padr,width/2,-1*pitch,0))
+ self.pad.append(point(width/2,-1*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x-dx,self.pad[-1].y,self.pad[-1].z,'SDI'))
+ #
+ # pin 11
+ #
+ self.shape = add(self.shape,translate(padr,width/2,0*pitch,0))
+ self.pad.append(point(width/2,0*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x-dx,self.pad[-1].y,self.pad[-1].z,'SDO'))
+ #
+ # pin 12
+ #
+ self.shape = add(self.shape,translate(padr,width/2,1*pitch,0))
+ self.pad.append(point(width/2,1*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x-dx,self.pad[-1].y,self.pad[-1].z,'3V3'))
+ #
+ # pin 13
+ #
+ self.shape = add(self.shape,translate(padr,width/2,2*pitch,0))
+ self.pad.append(point(width/2,2*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x-dx,self.pad[-1].y,self.pad[-1].z,'G'))
+ #
+ # pin 14
+ #
+ self.shape = add(self.shape,translate(padr,width/2,3*pitch,0))
+ self.pad.append(point(width/2,3*pitch,0))
+ self.labels.append(self.text(self.pad[-1].x-dx,self.pad[-1].y,self.pad[-1].z,'5V'))
+ #
+ # thermal
+ #
+ self.shape = add(self.shape,cube(
+ width/2-.304-d,
+ width/2-.197+d,
+ length/2-.475-d,
+ length/2-.369+d,
+ 0,0))
+ self.pad.append(point(
+ width/2-.197-(.304-.197)/2,
+ length/2-.369-(.475-.369)/2,
+ 0))
+ self.labels.append(self.text(self.pad[-1].x,self.pad[-1].y,self.pad[-1].z,'thermal'))
+ #
+ # +
+ #
+ self.shape = add(self.shape,cube(
+ width/2-.555-d,
+ width/2-.477+d,
+ length/2-.402-d,
+ length/2-.362,
+ 0,0))
+ self.pad.append(point(
+ width/2-.477-(.555-.477)/2,
+ length/2-.362-(.402-.362)/2,
+ 0))
+ self.labels.append(self.text(self.pad[-1].x,self.pad[-1].y,self.pad[-1].z,'+'))
+ #
+ # -
+ #
+ self.shape = add(self.shape,cube(
+ width/2-.555-d,
+ width/2-.477+d,
+ length/2-.331,
+ length/2-.291+d,
+ 0,0))
+ self.pad.append(point(
+ width/2-.477-(.555-.477)/2,
+ length/2-.291-(.331-.291)/2,
+ 0))
+ self.labels.append(self.text(self.pad[-1].x,self.pad[-1].y,self.pad[-1].z,'-'))
+ #
+ # prog
+ #
+ self.shape = add(self.shape,cube(
+ width/2-.312-d,
+ width/2-.271+d,
+ length/2-.086,
+ length/2-.043+d,
+ 0,0))
+ self.pad.append(point(
+ width/2-.271-(.312-.271)/2,
+ length/2-.043-(.086-.043)/2,
+ 0))
+ #
+ self.shape = add(self.shape,cube(
+ width/2-.413-d,
+ width/2-.368+d,
+ length/2-.086,
+ length/2-.043+d,
+ 0,0))
+ self.pad.append(point(
+ width/2-.368-(.413-.368)/2,
+ length/2-.043-(.086-.043)/2,
+ 0))
+ #
+ self.shape = add(self.shape,cube(
+ width/2-.312-d,
+ width/2-.271+d,
+ length/2-.186,
+ length/2-.143+d,
+ 0,0))
+ self.pad.append(point(
+ width/2-.271-(.312-.271)/2,
+ length/2-.143-(.186-.143)/2,
+ 0))
+ #
+ self.shape = add(self.shape,cube(
+ width/2-.413-d,
+ width/2-.368+d,
+ length/2-.186,
+ length/2-.143+d,
+ 0,0))
+ self.pad.append(point(
+ width/2-.368-(.413-.368)/2,
+ length/2-.143-(.186-.143)/2,
+ 0))
+ #
+ self.shape = add(self.shape,cube(
+ width/2-.312-d,
+ width/2-.271+d,
+ length/2-.286,
+ length/2-.243+d,
+ 0,0))
+ self.pad.append(point(
+ width/2-.271-(.312-.271)/2,
+ length/2-.243-(.286-.243)/2,
+ 0))
+ #
+ self.shape = add(self.shape,cube(
+ width/2-.413-d,
+ width/2-.368+d,
+ length/2-.286,
+ length/2-.243+d,
+ 0,0))
+ self.pad.append(point(
+ width/2-.368-(.413-.368)/2,
+ length/2-.243-(.286-.243)/2,
+ 0))
+
class XIAO_RP2040(part):
#
# XIAO RP2040