analog to digital converter for greenhouse project

diff --git a/symbols/microchip/MCP3021.sym b/symbols/microchip/MCP3021.sym
new file mode 100644 (file)
index 0000000..2ca308e
--- /dev/null
+++ b/symbols/microchip/MCP3021.sym
@@ -0,0 +1,63 @@
+v 20130925 2
+P 0 1200 300 1200 1 0 0
+{
+T 0 1200 5 10 0 0 0 0 1
+pintype=passive
+T 355 1195 5 10 1 1 0 0 1
+pinlabel=AIN
+T 205 1245 5 10 1 1 0 6 1
+pinnumber=3
+T 0 1200 5 10 0 0 0 0 1
+pinseq=3
+}
+P 2200 1200 1900 1200 1 0 0
+{
+T 2200 1200 5 10 0 0 0 0 1
+pintype=clk
+T 1845 1195 5 10 1 1 0 6 1
+pinlabel=SCL
+T 1995 1245 5 10 1 1 0 0 1
+pinnumber=5
+T 2200 1200 5 10 0 0 0 0 1
+pinseq=5
+}
+P 1100 0 1100 300 1 0 0
+{
+T 1100 0 5 10 0 0 0 0 1
+pintype=pwr
+T 1295 500 5 10 1 1 180 0 1
+pinlabel=VSS
+T 1305 150 5 10 1 1 0 6 1
+pinnumber=2
+T 1100 0 5 10 0 1 0 0 1
+pinseq=2
+}
+B 300 300 1600 1500 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+T 295 1895 8 10 1 1 0 0 1
+refdes=U?
+T 395 795 8 10 1 1 0 0 1
+device=MCP3021
+T -5 -5 8 10 0 1 0 0 1
+footprint=TO92
+P 1100 2100 1100 1800 1 0 0
+{
+T 1100 2100 5 10 0 0 180 0 1
+pintype=pwr
+T 1295 1600 5 10 1 1 0 6 1
+pinlabel=VDD
+T 895 1850 5 10 1 1 0 0 1
+pinnumber=1
+T 1100 2100 5 10 0 0 0 0 1
+pinseq=1
+}
+P 2200 800 1900 800 1 0 0
+{
+T 2200 800 5 10 0 0 0 0 1
+pintype=io
+T 1845 795 5 10 1 1 0 6 1
+pinlabel=SDA
+T 1995 845 5 10 1 1 0 0 1
+pinnumber=4
+T 2200 800 5 10 0 0 0 0 1
+pinseq=4
+}